A loaded hopper barge with independent tanks has a placard,with alternating red and white quadrants,on each side and end. Which statement concerning this barge is TRUE?()
A. The cargo will spontaneously ignite if released to the atmosphere
B. You must operate this barge as a lead barge
C. The barge should be spotted as far away from the towboat as possible
D. The barge must be in a protected position within the tow
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降压变压器停电时应先拉开()断路器。
A. 高压侧;
B. 中压侧;
C. 低压侧;
D. 电源侧。
硫酸镁样品0.9045g,用0.05120mol/LEDTA溶液测定,消耗20.50ml。样品中含MgSO4.7H2O为()。
A. 20.40%
B. 28.30%
C. 30.21%
D. 40.32%
管教民警在谈话教育中发现()情形,应当报告所领导。
A. 在押人员举报监室内的一般违规情况
B. 在押人员检举违法行为
C. 在押人员有重大安全风险
D. 在押人员有情节严重的抵触监管行为
已改制的企业作为独立法人,自主经营、自负盈亏,其国有股份收益主要用于().
A. 支付职工薪酬
B. 偿还贷款
C. 吸引人才
D. 扩大再生产